Science

A two-hour flight by a Soviet astronaut outside the Earth's atmosphere took place in 1961.

Its importance in medicine lies in the use of strong antibacterial properties. Before antibiotics were available, silver compounds were used to prevent infections during World War I.

Its age is estimated at 13.6 ± 0.8 billion years, so it may be only 100 million years younger than the Universe.

The disorder occurs 6 to 12 times more often in women than in men. It is far more common in the Caucasian race, especially during adolescence. It is also more common in homosexuals and bisexuals.

It does not happen that the brain does not function even for a nanosecond. It constantly analyzes, t ...

Many species of mushrooms are used in food production: bread, alcohol, and cheese. Some of them, suc ...

Common forms are aa, pahoehoe and pillow lava.